Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csusb.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 07:25:03 UTC · ↺ Refresh
MX Hostnames
- csusb-edu.mail.protection.outlook.com
MX Priorities
- csusb-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.csusb.edu netadmin.csusb.edu 251567194 10800 3600 2419200 900
Primary NS (mname)
ns.csusb.edu
Admin Email (rname)
netadmin@csusb.edu
Serial
251567194
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns.csusb.edu
ns2.csusb.edu
ns3.csusb.edu
SPF Record
✗ Invalid
v=spf1 exists:%{ir}.%{v}.arpa._spf.csusb.edu -all
📊 DNS lookups: 1/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
19 records- uber-domain-verification=3af4797e-4587-4926-a1d8-2c92f531543a
- MS=ms20767138
- N8qkolzYBPFmaja2pQmBFCFX4CUucADLwHRXbzKjQa5vUPmvCcu//SKtpLC3kQl+b1caZRWBjEFYmAupXRmTtQ==
- google-site-verification=aEcnR2YXKQAAx7i-YeoRFrZGCn-GuVwageeFRM1O23M
- SPFv=spf1 exists:%{ir}.%{v}.arpa._spf.csusb.edu -all
- smartsheet-site-validation=STm0wBTyuSdq-54sWLkBDcX1BaDPwfKs
- QNPyvHOibpS0AH55+lxbU17qgVhFmu4CTFcln/FUbGpAEvlpB4b/exAzbSufTRQmAS8RqbA9poQi0UpPKPkfPg==
- onetrust-domain-verification=0b4a967a90804f3c9122c319110dfe02
- apple-domain-verification=2v2Q4vdBhiTJZRysEkUee9UYza44LdhQYP0e7MDGgI8
- openai-domain-verification=dv-PNozbxelpySa7guIBq8JWtMN
- google-site-verification=geL_ASGqvGuHmFJy_k3Q63NtrojX8P2IR1Oc269vAQk
- apple-domain-verification=tiWxCCCNuGizVQyE
- atlassian-domain-verification=uBqo5cETrRQBpW9T5L49VQjI2O4RrY6XUa5Vllnle4ar75BvCQM7QZe0PnznZSTi
- mailerlite-domain-verification=2d2eb86d6f10de4c8414263d2fecb9448cccc1bc
- google-site-verification=NeqKfKt-77pnnb7MxElHSQPEYuASTSc2pvjlAHpYFzk
- canva-site-verification=whcRZToQb_xDCzXMlVFCnA
- adobe-idp-site-verification=b9ae2e3cc3c009c4a87c572c67375023780b3dbffbe8adf394c882f79ed396ed
- google-site-verification=Inh--Sixwplm_Sj_GLFCxJ07IS4VtcQlVEVMCb8-ZDI
- google-site-verification=I03zFOMnVRCs-wVCCAOJreS2kgXgkrF05Ln44eeoNXI
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